config: allow --with-linux without --with-linux-obj

Don't use `uname -r` to determine kernel build directory when the user
specified kernel source with --with-linux. Otherwise, the user is forced
to use --with-linux-obj even if they are the same directory, which is
very counterintuitive.

Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Requires-spl: refs/pull/617/head
This commit is contained in:
Chunwei Chen 2017-05-24 16:02:04 -07:00 committed by Brian Behlendorf
parent 952e490b1b
commit 1d8da99171

View File

@ -202,6 +202,7 @@ AC_DEFUN([ZFS_AC_KERNEL], [
AS_IF([test "$kernelsrc" = "NONE"], [
kernsrcver=NONE
])
withlinux=yes
])
AC_MSG_RESULT([$kernelsrc])
@ -214,7 +215,7 @@ AC_DEFUN([ZFS_AC_KERNEL], [
AC_MSG_CHECKING([kernel build directory])
AS_IF([test -z "$kernelbuild"], [
AS_IF([test -e "/lib/modules/$(uname -r)/build"], [
AS_IF([test x$withlinux != xyes -a -e "/lib/modules/$(uname -r)/build"], [
kernelbuild=`readlink -f /lib/modules/$(uname -r)/build`
], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [
kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu}